Design low-duty-cycle timer circuits This Design Idea uses the TLC555 CMOS timer for a standard, greater-than-50%-duty-cycle, low-frequency design. 555 makes handy voltage-to-time converter This ...

From simple buzzers to an Atari Punk Console, the simple 555 timer chip is the foundation of a whole lot of interesting lo-fi synth projects perfect for beginners. [Steven] put together a great tut… ...